NTT Data Android Developer Interview Questions and Answers

Q1. All technical Jetpack concept no DSA questions and asked all theoretical questions
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Q2. What are coroutine, how to secure ur app data, network call in android , ssl pinning, notification's implementation through FCM, android basic questions
Ans. 
Coroutines are a way to perform asynchronous operations in Android, securing app data involves encryption, SSL pinning enhances security, FCM for notifications.
• Coroutines are used for managing asynchronous operations in Android, allowing for efficient and non-blocking code execution.

• Securing app data involves using encryption techniques such as AES to protect sensitive information from unauthorized access.

• SSL pinning i...read more
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Q1. What is Android Manifest
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Q2. What are services
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Q1. Basic technical knowledge question
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Q2. Android related questions
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Q1. Communication skill
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Q2. Salary regarding questions
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Q1. Basics of Android
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Q1. Technical implementation
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Q1. Company fit culture test
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Q1. Basic of kotlin questions
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Q2. Live data and life cycle
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Q3. Diff between MVVM and other architectures
Ans. 
MVVM is a design pattern that separates the UI, business logic, and data layers, promoting better code organization and testability.
• MVVM stands for Model-View-ViewModel, where the ViewModel acts as an intermediary between the View and the Model.

• MVVM promotes data binding, making it easier to keep the UI in sync with the underlying data.

• Other architectures like MVC (Model-View-Controller) and MVP (Model-View-Presenter) ...read more
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Q1. Android basics and life cycle
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Q2. Services and AIDL
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Q1. Design patterns and use cases
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Q1. Reason foe change current company
Ans. 
Seeking new challenges and growth opportunities in a more innovative environment.
• Desire for professional growth

• Seeking new challenges

• Looking for a more innovative environment
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Q1. Sort array in 0(n) time complexity
Ans. 
Use counting sort algorithm to achieve O(n) time complexity.
• Count the frequency of each string in the array.

• Create a new array based on the frequency counts.

• Iterate through the new array to reconstruct the sorted array.
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Coding test based on array

Q1. Basics of Kotlin
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Q2. Jetpack component.
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Q3. One from data structure.
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